id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-12764		cet-12764		6	.pdf	application/pdf	2825	118	50	The aim of heat exchanger cleaning from fouling is to minimise the operating cost of HEN. The optimal scheduling of HEN cleaning can be understood as maximizing function F while satisfying the constraint (Eq(3), Eq(4)) imposed on time intervals between cleaning operations.	cache/cet-12764.pdf	txt/cet-12764.txt